Hub for traction-wheels



(No Model.)

A. JILLSON.

HUB P0P. TRAGTION WHEELS.

No. 278,021. Patented May 22,1883.

umu". f f

UNITED STATES PATENT OFFICE.

ALONZO JILLSON, OF RACINE, WISCONSIN.

HUB Fon TRAcTioN-WHEELS.

sIEcIFIcA'rIoN forming part of Letters Patent Ne.v 278,021, dated may22, 1883.

Application Bled March 13, 1883.l (No model.) u

To all whom t may concern Be itknown that I, ALONZO JILLSON, of Racine,in the county of Racine, and in the State ot' Wisconsin, havenventedcertain new and useful Improvements in Hubs forTrnetion and otherWheels; and I do hereby declare that the following is a full, clear, andexact description thereof.

My invention relates to hubs especially designed for tractionand otherheavypwheels, and will be more fully set forth hereinafter.

In the drawings, Figure l is an elevation of the inner end of my device,and Fig. 2 is a longitudinal section of the same.

A is the hub proper, and B is a removable flanged box fitting within thesaid hub. The hub and box are very irregular in their interiorformation, as shown in Fig. 2, but are adaptedrtoeach other, so thatwhen put together and bolted they will remain united,with ont dan gerefaccidental separation from strain, and present a smooth and regularexternal appearance, The said box B has the exterior circular flange,B,`extending from near its inner end, and having a periphery even withthe outer periphery of the hub A, and the interior circular-flange, B',ot' much less diameter, near the outer e nd,of` saidhox. The flange B2is provided with the shoulder or offset b3 and the bead bwhile theflange B' has the bead b and the of'set `b. The beads in thel saidflanges fit into corresponding depressions in the disks a and a' of hubA, whose interior surfaces tit against the described offsets, therebyserving, when the box has been pushed within the hub, as a guard againststraimas stated.

C C are the bolts which secure the flange Bz and inner disk, a, ofthehub together, and D Dare the bolts "which perform a like oflice withrespect to the outer disk, a', of the hub and the flange B' of the box.The interior of the box is conicallybored out to receive an axle orskein,fand the center of this bore'is made deeper, as shown at bs, forthe purpose of containinglubricating material. The inner end of the boxhns another offset, 1r", to receive a sand-band, E, and the outer endhas still another oiset, b, for the outer sand-baud, F.

The hub A, as shown, consists, primarily, of

ythe disks a anda', and these disks are connected together by the barsA' A', the whole being rigidly east in one piece, and the cen' traiopening in the disk a is large enough, as shown, to permit the flange B'of the box to pass through when the parts are being pnt together, andthe said disks a and a' are provided with perf'orations to admit thespokes G ofthe wheel.

All the parts of my device are formed of metal, and the whole ll'orxns amost solid and satisfactory hub for theheavy traction or other wheelsfor which it is adapted, besides which, should the box become broken,itcan be removed by simply unscrewing the bolts C and D and replaced byanother, leaving the hub proper intact.

Having thus described my invention, what I -claim -as new, and desire tosecure by Letters Patent, is-

1. In a hub for traction and other heavy wheels, the combination of thedisks a and a', united integrally by the bars A' A', with the removablemetallic hox B, having the flanges B' B2, of' different diameters,substantially as set forth.

2. The combination oi' the hub A, having disks a and a', unitedintegrally by the bars A' A', the disk a having a central opening ofgreater diameter than that in the disk a', with the metallic box B,having the flanges B' B2, adapted lo lit within and against the saidhub, and the secnringbolts C D, substantially as set forth.

In testimony that Ielaim the foregoing I have hereunto set my hand onthis 13th day of February, 1883, in the presence of two wit.- y

nesses.

'ALONZO J ILLSON.

Witnesses:

STANLEY S. STOUT, AIJOLEII KLEIN.

